Air pollution has significantly increased the demand for air purifiers in recent years. According to reports from Suning and Gome stores, both customer inquiries and sales of air purifiers have seen a sharp rise. Most consumers prefer well-known brands that offer reliable after-sales service.
With fierce competition in the market, major appliance manufacturers are investing heavily in R&D to launch new and improved air purifier models. Brands such as Midea, Philips, Haier, Panasonic, Hisense, and Electrolux have recently introduced innovative products. When faced with so many options, consumers should not only consider price but also other important factors when making their choice.
First, it's essential to assess whether there is formaldehyde pollution in your home. If so, you should look for an air purifier with strong formaldehyde removal capabilities. Today’s market offers various technologies: activated carbon for dust and odors, HEPA filters for fine particles, and electrostatic filtration. For bacteria and viruses, active oxygen or plasma technology can be effective. For formaldehyde and benzene, molecular complexation or photocatalytic decomposition methods are available. Additionally, negative ion generators are great for removing secondhand smoke, so choose based on your specific needs.
Second, think about additional features like humidity control, negative ion generation, or oxygen enrichment. Also, consider maintenance costs, including filter replacements and warranty support.
**What to Focus On When Buying**
Air Exchange Rate: A good air purifier should have a high air exchange rate, measured in cubic meters per hour (m³/h). The higher the number, the more efficient the unit.
Purification Efficiency: Look for products with high efficiency in removing solid particles, volatile organic compounds (VOCs), and formaldehyde. These are usually expressed as percentages, and the higher the value, the better.
Filters: Most air purifiers come with 3–4 layers of filters, while premium models may have up to 6. Each layer targets different pollutants. The pre-filter captures large dust and hair, the deodorizing filter (activated carbon) removes odors, the formaldehyde filter targets harmful chemicals, and the HEPA filter traps tiny particles like pollen, dust, and germs.
**Maintenance Tips for Air Purifiers**
Regular maintenance is crucial for optimal performance. Always follow the manufacturer’s guidelines for cleaning and replacing filters. The pre-filter, which captures large dust, should be cleaned once a month—use a vacuum first, then rinse. The allergen filter, which removes pet dander and pollen, should be shaken and dusted monthly, not washed. Activated carbon filters, used for odor removal, cannot be washed and should be replaced every six months.
Industry experts advise that when choosing an air purifier, don’t just go for the cheapest option. Quality and after-sales support matter most. Also, focus on the functions you truly need rather than being tempted by too many unnecessary features.
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